FYI - there is a story of a vehicle going through a shredder in a scrap yard. In the trunk was a propane tank, gas cans, and the gas tank was full. It exploded and destroyed a multi-million dollar shredder and half of the storage facility at the yard. Do you want to know why they ask for the title and VIN # of vehicles that are scrapped? They traced this vehicle back to the scrapper and filed a law suit for recovery of the damages. They went back through records from yard to yard until they found the individual. Lesson - Even if a yard accepts the metal, if it is a hazard you could be held responsible.
To add to my previous post, gas tanks are emptied by shooting them with the caliber of your choice. After three months to six months a saw zaw or torch is used to cut the bans and remove the tank from the vehicle. The tank goes as unprepared (higher price than vehicles here) and the rest is sold separately. A picture of the vehicle with the trunk open is taken to make sure there is no doubt. This is a paranoid strategy, but for piece of mind it is worth it to me. The other strategy used is to flip the vehicle over and flatten the roof. This allows the loading of more vehicles on the trailer.
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